在SQL SERVER中局部变量前面的字符为()。A.* B.# C.@@ D.@

题型:单项选择题

问题:

在SQL SERVER中局部变量前面的字符为()。

A.*

B.#

C.@@

D.@

考点:计算机科学技术结构化查询语言(SQL)结构化查询语言(SQL)题库
题型:单项选择题

阅读理解

      An American went to Paris and bought a picture from a French artist (艺术家). The American thought the picture was very good. But when he came back to his room and was going to put the picture on the wall,he couldn't tell the top from the bottom of the picture. He turned the picture this way and that,but he still didn't know.

      He thought and thought. He hung(悬挂) the picture in the dining room. Then he asked the artist to dinner.When the artist came,the American said nothing to him about the picture,he went with the artist into the dining room to have the meal. When the artist began to eat,he looked at the picture for some time. When he began to eat the fish,he put on his glasses and looked at the picture again. Before he began to eat his apples,he stood up and walked to the picture and looked at it carefully. At last when he began to have his tea,he looked again and found the picture was upside down (颠倒).

      "Why,my friend," he said,"the picture is upside down. "

      "Indeed! But why did it take you so long to find that out?" said the American. "You painted it, didn't you?"

1. The American asked the French artist to dinner because       .

A. he wanted to thank the artist

B. he wanted to ask the artist to draw another picture for him

C. he wanted to know if he hung the picture right

D. he wanted to teach the artist a lesson

2.The artist looked at the picture several times,but he didn't say anything,because       .

A.he couldn't tell the top from the bottom at first, either

B. he thought it was an ugly picture

C. he wanted to say something after the meal

D. he thought it was right to hang the picture like that

3. Which of the following is NOT right?

A. Sometimes even an artist can't tell the top of a picture from its bottom.

B. The American was clever.

C.The French artist gave the picture to the American as a present.

D. The American liked the picture very much.

4. How many times did the artist look at the picture before he found it was wrong?

A. Only once.

B. Twice.

C. Three times.

D. Four times.

5.Why didn't the American ask the artist as soon as he came into the house?

A. Because he thought it would be foolish to do so.

B. Because he didn't want the artist to lose face.

C. Because he knew the picture was upside down.

D. Because he was hungry.

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在Internet中,用于在计算机之间传输文件的协议是( )。

A.TELNET

B.BBS

C.FTP

D.WWW

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A.郭某发现另一竞价人是其好友李某,于是郭某要求李某在拍卖古董时不要与他竞价

B.在拍卖开始后,郭某叫价40万元后,又开始后悔,向拍卖师要求撤回

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D.郭某因有急事儿不得不离开,于是委托一起来的同事张某代其竞买

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甲被外派到某国出差,乙听说后委托甲在国外为乙购买一套音响设备。后来甲回国之后,将音响送到乙家里,发现乙已经去世。乙的儿子丙以乙已经死亡为由不接收音响。关于甲的代理行为的法律后果由谁承受,下列说法正确的是()

A.由乙承担,但由于乙已经死亡,代理关系终止,所以应当由甲自己承担后果

B.由乙承担,但是由于乙已经死亡,代理关系终止,所以应当由丙承受

C.虽然乙已经死亡,但由于代理人甲并不知情,该代理依然有效,所以应当由丙承受

D.丙作为乙的遗产继承者,有权拒绝接受,所以应当由甲自己承担后果

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工程各参建单位填写的建设工程档案应以( )为依据。

A.工程合同、设计文件、工程施工验收统一标准

B.施工及验收规范、工程合同、设计文件

C.工程合同、设计规范、工程施工验收统一标准

D.施工及验收规范、工程合同、设计文件、工程施工质量验收统一标准

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